Error neutron-server failed to start and no log was written neutron dead but pid file exists

Question

Hi everyone,

I am trying to start neutron-server, but It shows the below error.

$ service neutron-server start
$ service neutron-server status
neutron dead but pid file exists

How can I solve this error?

Thank You

Answer 1

Hi@akhtar,

Generally, after installing keystone, glance, nova services, you have to create a corresponding database in MySQL (usually the databases are created manually). But neutron service doesn’t require that, as the service will populate the database automatically. However, it didn’t behave that way and we had to manually run ‘neutron-db-manage‘ before starting ‘neutron-server’.

Execute the below commands to configure the network plugins

$openstack-config --set /etc/neutron/neutron.conf DEFAULT core_plugin neutron.plugins.ml2.plugin.Ml2Plugin
$openstack-config --set /etc/neutron/neutron.conf DEFAULT service_plugins neutron.services.l3_router
.l3_router_plugin.L3RouterPlugin

Now populate the neutron database.

$su -s /bin/sh -c "neutron-db-manage --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/plugin.ini upgrade head" neutron

Now start your neutron-server.

Thank You